Portion of a screen of a programmed computer system or programmed facsimile machine



FIG. 1 is a front elevational view of a portion of a screen of a programmed computer system or programmed facsimile machine showing a first embodiment of my new design; and,

FIG. 2 is a front elevational view of a second embodiment thereof.

The broken-line disclosure of the unclaimed edge of the screen portion is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a screen of a programmed computer system or programmed facsimile machine, as shown and described. 